Home / 25,771.24-38,659.02-8,240.68

Finding the Fourth Proportional to 25,771.24, 38,659.02 and 8,240.68

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Solution

The fourth proportional to 25,771.24, 38,659.02 and 8,240.68 is: 12,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,771.24 : 38,659.02 = 8,240.68 : x
  2. Step 2: Convert to fraction form
    25,771.24/38,659.02 = 8,240.68/x
  3. Step 3: Cross multiply
    25,771.24x = 38,659.02 × 8,240.68
  4. Step 4: Simplify right side
    25,771.24x = 318,576,612.93
  5. Step 5: Solve for x
    x = 318,576,612.93/25,771.24
  6. Step 6: Final answer
    x = 12,361.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.